It declared our independence from England and started the Revolutionary War.
If the US declared war on another nation, it would imply a war to win total victory, which in turn implied using any weapon or means necessary to accomplish that goal (within the rules of war).
In a series of speeches, Lyndon Baines Johnson declared an unconditional war on poverty and said the nation to set its course toward a Great Society
After Japan attcked Pearl Harbor we declared war of Japan, and Germany.
Russia, in the Russo-Japanese war of 1904-1905
France declared war on England in 1778 as part of their alliance with the Thirteen Colonies during the American Revolutionary War.
Germany and Austria
France and Spain
The only nation on which Germany declared war in WWII was the United States of America.
France and Spain
france,poland
Great Britain
Soviet Union
James Madison (The War of 1812)
Soviet Union
Soviet Union
On December 11, 1941, Germany declared war on the United States. Then later that day the United States Declared War on Germany in response.